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Diffstat (limited to 'intern/SoundSystem/intern/SND_Scene.cpp')
| -rw-r--r-- | intern/SoundSystem/intern/SND_Scene.cpp | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/intern/SoundSystem/intern/SND_Scene.cpp b/intern/SoundSystem/intern/SND_Scene.cpp new file mode 100644 index 00000000000..5bc65f02359 --- /dev/null +++ b/intern/SoundSystem/intern/SND_Scene.cpp @@ -0,0 +1,569 @@ +/* +* SND_Scene.cpp +* +* The scene for sounds. +* +* $Id$ +* + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** +*/ + +#ifdef WIN32 +#pragma warning (disable:4786) // Get rid of stupid stl-visual compiler debug warning +#endif //WIN32 + +#include "SND_Scene.h" +#include "SND_DependKludge.h" +#include "SYS_System.h" +#include "SND_IAudioDevice.h" + +#include <stdlib.h> +#include <iostream> + +//static unsigned int tijd = 0; + +SND_Scene::SND_Scene(SND_IAudioDevice* audiodevice) + : m_audiodevice(audiodevice) +{ + if (m_audiodevice) + m_wavecache = m_audiodevice->GetWaveCache(); + + if (!m_wavecache || !audiodevice) + { + m_audio = false; + } + else + { + //if so, go ahead! + m_audio = true; +#ifdef ONTKEVER + printf("SND_Scene::SND_Scene() m_audio == true\n"); +#endif + m_audiodevice->InitListener(); + } + + IsPlaybackWanted(); +} + + + +SND_Scene::~SND_Scene() +{ + StopAllObjects(); +} + + + +// check if audioplayback is wanted +bool SND_Scene::IsPlaybackWanted() +{ + SYS_SystemHandle syshandle = SYS_GetSystem(); + int audio = SYS_GetCommandLineInt(syshandle,"noaudio",0); + + if ((audio == 0) && m_audiodevice && m_wavecache) + { + m_audioplayback = true; + } + else + { + StopAllObjects(); + m_audioplayback = false; + } + + return m_audioplayback; +} + + + +int SND_Scene::LoadSample(const STR_String& samplename, + void* memlocation, + int size) +{ + int result = -1; + + if (m_audiodevice) + { + SND_WaveSlot* waveslot = m_audiodevice->LoadSample(samplename, memlocation, size); + + if (waveslot) + result = waveslot->GetBuffer(); + } + + return result; +} + + + +void SND_Scene::RemoveAllSamples() +{ + if (m_audio && m_audiodevice) + m_audiodevice->RemoveAllSamples(); +} + + + +bool SND_Scene::CheckBuffer(SND_SoundObject* pObject) +{ + bool result = false; + + if (pObject && m_wavecache) + { + SND_WaveSlot* waveslot = m_wavecache->GetWaveSlot(pObject->GetSampleName()); + + if (waveslot) + { + pObject->SetBuffer(waveslot->GetBuffer()); + + result = true; + } + } + + return result; +} + + + +bool SND_Scene::IsSampleLoaded(STR_String& samplename) +{ + bool result = false; + + if (samplename && m_wavecache) + { + SND_WaveSlot* waveslot = m_wavecache->GetWaveSlot(samplename); + + if (waveslot && waveslot->IsLoaded()) + result = true; + } + + return result; +} + + + +void SND_Scene::AddObject(SND_SoundObject* pObject) +{ + if (m_audio) + { + STR_String samplename = pObject->GetSampleName(); + SND_WaveSlot* slot = NULL; + + // don't add the object if no valid sample is referenced + if (samplename != "") + { + // check if the sample is already loaded + slot = m_wavecache->GetWaveSlot(samplename); + } + + if (slot) + { + pObject->SetBuffer(slot->GetBuffer()); + + // needed for expected lifespan of the sample, but ain't necesary anymore i think + MT_Scalar samplelength = slot->GetNumberOfSamples(); + MT_Scalar samplerate = slot->GetSampleRate(); + MT_Scalar soundlength = samplelength/samplerate; + pObject->SetLength(soundlength); + + // add the object to the list + m_soundobjects.insert((SND_SoundObject*)pObject); + } + } +} + + + +void SND_Scene::SetListenerTransform(const MT_Vector3& pos, + const MT_Vector3& vel, + const MT_Matrix3x3& ori) +{ + if (m_audio) + { + GetListener()->SetPosition(pos); + GetListener()->SetVelocity(vel); + GetListener()->SetOrientation(ori); + } +} + + + +void SND_Scene::UpdateListener() +{ + // process the listener if modified + if (m_listener.IsModified()) + { + m_audiodevice->SetListenerGain(m_listener.GetGain()); + + // fmod doesn't support dopplervelocity, so just use the dopplerfactor instead +#ifdef USE_FMOD + m_audiodevice->SetDopplerFactor(m_listener.GetDopplerVelocity()); +#else + m_audiodevice->SetDopplerVelocity(m_listener.GetDopplerVelocity()); + m_audiodevice->SetDopplerFactor(m_listener.GetDopplerFactor()); +#endif + m_listener.SetModified(false); + } +} + + + +void SND_Scene::AddActiveObject(SND_SoundObject* pObject, MT_Scalar curtime) +{ + if (m_audio) + { + if (pObject) + { +#ifdef ONTKEVER + printf("SND_Scene::AddActiveObject\n"); +#endif + + // first check if the object is already on the list + if (pObject->IsActive()) + { + pObject->SetTimeStamp(curtime); + pObject->StartSound(); + } + else + { + pObject->SetTimeStamp(curtime); + + // compute the expected lifespan + pObject->SetLifeSpan(); + + // lets give the new active-to-be object an id + if (m_audiodevice->GetNewId(pObject)) + { + // and add the object + m_activeobjects.addTail(pObject); + pObject->StartSound(); + pObject->SetActive(true); + } + } + } + } +} + + + +void SND_Scene::RemoveActiveObject(SND_SoundObject* pObject) +{ + if (m_audio) + { + if (pObject) + { +#ifdef ONTKEVER + printf("SND_Scene::RemoveActiveObject\n"); +#endif + // if inactive, remove it from the list + if (pObject->IsActive()) + { + // first make sure it is stopped + m_audiodevice->ClearId(pObject); + } + } + } +} + + + +void SND_Scene::UpdateActiveObects() +{ +// ++tijd; + + SND_SoundObject* pObject; + // update only the objects that need to be updated + for (pObject = (SND_SoundObject*)m_activeobjects.getHead(); + !pObject->isTail(); + pObject = (SND_SoundObject*)pObject->getNext()) + { + int id = pObject->GetId(); + + if (id >= 0) + { + bool juststartedplaying = false; +#ifdef USE_FMOD + // fmod wants these set before playing the sample + if (pObject->IsModified()) + { + m_audiodevice->SetObjectLoop(id, pObject->GetLoopMode()); + m_audiodevice->SetObjectLoopPoints(id, pObject->GetLoopStart(), pObject->GetLoopEnd()); + } + + // ok, properties Set. now see if it must play + if (pObject->GetPlaystate() == SND_MUST_PLAY) + { + m_audiodevice->PlayObject(id); + pObject->SetPlaystate(SND_PLAYING); + pObject->InitRunning(); +// printf("start play: %d\n", tijd); + juststartedplaying = true; + } +#endif + if (pObject->Is3D()) + { + // Get the global positions and velocity vectors + // of the listener and soundobject + MT_Vector3 op = pObject->GetPosition(); + MT_Vector3 lp = m_listener.GetPosition(); + MT_Vector3 position = op - lp; + + // Calculate relative velocity in global coordinates + // of the sound with respect to the listener. + MT_Vector3 ov = pObject->GetVelocity(); + MT_Vector3 lv = m_listener.GetVelocity(); + MT_Vector3 velocity = ov - lv; + + // Now map the object position and velocity into + // the local coordinates of the listener. + MT_Matrix3x3 lo = m_listener.GetOrientation(); + + MT_Vector3 local_sound_pos = position * lo; + MT_Vector3 local_sound_vel = velocity * lo; + + m_audiodevice->SetObjectTransform( + id, + local_sound_pos, + local_sound_vel, + pObject->GetOrientation(), // make relative to listener! + lp, + pObject->GetRollOffFactor()); + } + else + { + m_audiodevice->ObjectIs2D(id); + } + + // update the situation + if (pObject->IsModified()) + { + m_audiodevice->SetObjectPitch(id, pObject->GetPitch()); + m_audiodevice->SetObjectGain(id, pObject->GetGain()); + m_audiodevice->SetObjectMinGain(id, pObject->GetMinGain()); + m_audiodevice->SetObjectMaxGain(id, pObject->GetMaxGain()); + m_audiodevice->SetObjectReferenceDistance(id, pObject->GetReferenceDistance()); + m_audiodevice->SetObjectRollOffFactor(id, pObject->GetRollOffFactor()); + m_audiodevice->SetObjectLoop(id, pObject->GetLoopMode()); + m_audiodevice->SetObjectLoopPoints(id, pObject->GetLoopStart(), pObject->GetLoopEnd()); + pObject->SetModified(false); + } + + pObject->AddRunning(); + +#ifdef ONTKEVER + STR_String naam = pObject->GetObjectName(); + STR_String sample = pObject->GetSampleName(); + + int id = pObject->GetId(); + int buffer = pObject->GetBuffer(); + + float gain = pObject->GetGain(); + float pitch = pObject->GetPitch(); + float timestamp = pObject->GetTimestamp(); + + printf("naam: %s, sample: %s \n", naam.Ptr(), sample.Ptr()); + printf("id: %d, buffer: %d \n", id, buffer); + printf("gain: %f, pitch: %f, ts: %f \n\n", gain, pitch, timestamp); +#endif +#ifdef USE_OPENAL + // ok, properties Set. now see if it must play + if (pObject->GetPlaystate() == SND_MUST_PLAY) + { + m_audiodevice->PlayObject(id); + pObject->SetPlaystate(SND_PLAYING); + //break; + } +#endif + + // check to see if the sound is still playing + // if not: release its id + int playstate = m_audiodevice->GetPlayState(id); +#ifdef ONTKEVER + if (playstate != 2) + printf("%d - ",playstate); +#endif + +// if ((playstate == SND_STOPPED && (!juststartedplaying) && !pObject->GetLoopMode() && pObject->IsRunning()) +#ifdef WIN32 + if ((playstate == SND_STOPPED) && !pObject->GetLoopMode()) +#else + if (!pObject->GetLoopMode()) +#endif + { +// printf("remove: %d\n", tijd); + RemoveActiveObject(pObject); + } + } + } +} + + + +void SND_Scene::UpdateCD() +{ + if (m_audiodevice) + { + SND_CDObject* pCD = SND_CDObject::Instance(); + + if (pCD) + { + int playstate = pCD->GetPlaystate(); + + switch (playstate) + { + case SND_MUST_PLAY: + { + // initialize the cd only when you need it + m_audiodevice->SetCDGain(pCD->GetGain()); + m_audiodevice->SetCDPlaymode(pCD->GetPlaymode()); + m_audiodevice->PlayCD(pCD->GetTrack()); + pCD->SetPlaystate(SND_PLAYING); + pCD->SetUsed(); + break; + } + case SND_MUST_PAUSE: + { + m_audiodevice->PauseCD(true); + pCD->SetPlaystate(SND_PAUSED); + break; + } + case SND_MUST_RESUME: + { + m_audiodevice->PauseCD(false); + pCD->SetPlaystate(SND_PLAYING); + break; + } + case SND_MUST_STOP: + { + m_audiodevice->StopCD(); + pCD->SetPlaystate(SND_STOPPED); + break; + } + default: + { + } + } + + // this one is only for realtime modifying settings + if (pCD->IsModified()) + { + m_audiodevice->SetCDGain(pCD->GetGain()); + pCD->SetModified(false); + } + } + } +} + + + +void SND_Scene::Proceed() +{ + if (m_audio && m_audioplayback) + { + m_audiodevice->MakeCurrent(); + + UpdateListener(); + UpdateActiveObects(); + UpdateCD(); + +// m_audiodevice->UpdateDevice(); + } +} + + +void SND_Scene::DeleteObject(SND_SoundObject* pObject) +{ +#ifdef ONTKEVER + printf("SND_Scene::DeleteObject\n"); +#endif + + if (pObject) + { + if (m_audiodevice) + m_audiodevice->ClearId(pObject); + + // must remove object from m_activeList + std::set<SND_SoundObject*>::iterator set_it; + set_it = m_soundobjects.find(pObject); + + if (set_it != m_soundobjects.end()) + m_soundobjects.erase(set_it); + + // release the memory + delete pObject; + pObject = NULL; + } +} + + + +void SND_Scene::RemoveAllObjects() +{ +#ifdef ONTKEVER + printf("SND_Scene::RemoveAllObjects\n"); +#endif + + StopAllObjects(); + + std::set<SND_SoundObject*>::iterator it = m_soundobjects.begin(); + + while (it != m_soundobjects.end()) + { + delete (*it); + it++; + } + + m_soundobjects.clear(); +} + + + +void SND_Scene::StopAllObjects() +{ + if (m_audio) + { +#ifdef ONTKEVER + printf("SND_Scene::StopAllObjects\n"); +#endif + + SND_SoundObject* pObject; + + for (pObject = (SND_SoundObject*)m_activeobjects.getHead(); + !pObject->isTail(); + pObject = (SND_SoundObject*)pObject->getNext()) + { + m_audiodevice->ClearId(pObject); + } + } +} + + + +SND_SoundListener* SND_Scene::GetListener() +{ + return &m_listener; +} |